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systemd-repart can grow partitions dynamically at boot, but it won't
grow the file systems inside them. In /etc/fstab you can request that
via x-systemd.growfs. So far we didn't have a nice scheme for images
with GPT auto-discovery however, and that meant in particular in tools
such as systemd-nspawn the file systems couldn't be grown automatically.
Let's address this: let's define a new GPT partition flag that can be
set for our partition types. If set it indicates that the file system
should be grown to the partition size on mount.
This commit adds the flag and adds code to discover it when dissecting
images. There's no code yet to actually do something about it.
Let's rename MountpointsFlags → MountPointFlags. In most of our codebase
we name things mount_point/MountPoint rather than mountpoint/Mountpoint,
do so here too.
Also, prefix the enum values with "MOUNT_". The fact the enum values
weren#t prefixed was pretty unique in our codebase, and pretty
surprising. Let's fix that.
This is just refactoring, no actual change in behaviour
oomd works way better with swap, so let's make the test less flaky by
configuring a swap device for it. This also allows us to drop the ugly
`cat`s from the load-generating script.
Currently, if [Install] section contains WantedBy=target that doesn't exist,
systemd creates the symlinks anyway. That is just user-unfriendly.
Let's be nice and warn about installing non-existent targets.
Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1835351.
Replaces: #15834
The kernel will send us a PARTN= uevent proprty with partition add
events, let's use it instead of going for the "partition" sysfs attr.
It's less racy that way and there are reports the sysfs attr shows up
after the device, which makes it evern worse.
Cover the case where a service is recovered out of reloading state via
a restart Restart= configuration.
Signed-off-by: Peter Morrow <pemorrow@linux.microsoft.com>
If a service is in reloading state but has exited do not delay
the final exit until the service reload timer expires. Instead allow
the service to exit immediately since we can't expect the service to
ever transition out of reloading state.
For example if a service sent RELOADING=1 but crashed before it could
send READY=1 then it should be restarted if the service had
Restart= configured.
Signed-off-by: Peter Morrow <pemorrow@linux.microsoft.com>
It's OK to specify the root dir as target directory when copying
directories. However, in that case path_extract_filename() is going to
fail, because the root dir simply has not filename.
Let's address that by moving the call further down into the loop, when
we made sure that the target dir doesn't exist yet (the root dir always
exists, hence this check is sufficient).
Moreover, in the branch for copying regular files, also move the calls
down, and generate friendly error messages in case people try to
overwrite dirs with regular files (and the root dir is just a special
case of a dir).
Altogether this makes CopyFiles=/some/place:/ work, i.e. copying some
dir on the host into the root dir of the newly created fs. Previously
this would fail with an error about the inability to extract a filename
from "/", needlessly.
When we copy files into the freshly formatted file system, the mount
point prefix must be prepended to the *target* path, not the *source*
path. Not just in code but in the log message about it, too.
On some conditions (particularly when mobile CPUs are going to sleep),
the posix_fallocate(), which is called when a new journal file is allocated,
can return -1 (EINTR). This is counted as a fatal error. So the journald
closes both old and journals, and simply throwing away further incoming
events, because of no log files open.
Introduce posix_fallocate_loop() that restarts the function in the case
of EINTR. Also let's make code base more uniform by returning negative
values on error.
Fix assert in test-sigbus.c that incorrectly counted positive values as
success. After changing the function return values, that will actually work.
Fixes: #19041
Signed-off-by: Igor Zhbanov <i.zhbanov@omprussia.ru>
So far all file systems where checked by instances of
systemd-fsck@.service, with the exception of the root fs which was
covered by systemd-fsck-root.service. The special handling is necessary
to deal with ordering issues: we typically want the root fs to be
checked before all others, and — weirdly — allow mounting it before the
fsck done (for compat with initrd-less boots).
This adds similar special handling for /usr: if the hierarchy is placed
on a separate file system check it with a special
systemd-fsck-usr.service instead of a regular sysemd-fsck@.service
instance. Reason is again ordering: we want to allow mounting of /usr
without the root fs already being around in the initrd, to cover for
cases where the root fs is created on first boot and thus cannot be
mounted/checked before /usr.
Some interfaces require that the DHCPOFFER message is sent via broadcast
if they can't receive unicast messages before they've been configured
with an IP address.
E.g., s390 ccwgroup network interfaces operating in layer3 mode face
this limitation. This can prevent the interfaces from receiving an
IP address via DHCP, if the have been configured for layer3.
To allow DHCP over such interfaces, we're introducing a new device
property ID_NET_DHCP_BROADCAST which can be set for those.
The networkd DHCP client will check whether this property is set
for an interface, and if so will set the broadcast flag, unless
the network configuration for the interface has an explicit
RequestBroadcast setting.
Besides that, we're adding a udev rule to set this device property
for ccwgroup devices operating in layer3 mode, which is the case
if the ID_NET_DRIVER property is qeth_l3.
Supercedes #18829
Similar to sd_bus_error_has_names() that was added in
2b07ec316a.
It is made inline in the hope that the compiler will be able to optimize
all the va_args boilerplate away, and do an efficient comparison when
the arguments are all constants.
This PR made modification on Lennart Poettering's basis. Fix the LineMax's function failure problem.
Signed-off-by: Yangyang Shen <shenyangyang4@huawei.com>
Let's exit early if we are invoked to generate an fsck unit for the
rootfs or /usr of the initrd itself. The "systemd-root-fsck.service" and
"systemd-usr-fsck.service" units are after all for the host file
systems, and the initrd file hierarchy is from an unpacked cpio anyway.
Hence, this semantically doesn't really make sense, so quickly exit if
we detect this case. This allows us to remove some checks further down
the codepath.
